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Indexation parameters
Gas
When you opt for an indexed gas contract, the price of energy on your bill is linked to a specific index that varies according to the volume of consumption and the date of signing the contract. Below the main parameters for natural gas.
Last update: January 2025
Parameter
Price
Consult history
TTF 101 - for January 2025
An index based on the arithmetic mean of the daily "settlement" prices TTF ICE Endex during the month preceding the month of delivery. The price for natural gas of your contract is indexed monthly.
44,93 €/MWh
TTF 103 - for the 1st quarter of 2025
An index based on the arithmetic mean of the daily prices of TTF natural gas "ESGM" during the month preceding the trimester of delivery. The price for natural gas of your contract is quarterly indexed.
44,99 €/MWh
TTF ADA - for December 2024
An index based on the arithmetic average of all end-of-day settlement prices for natural gas delivery during each day of the month of supply (ICE Endex).
44,95 €/MWh
ZTP 101
The price for natural gas of your contract is indexed monthly. ZTP 101 is an index representing the arithmetic average of all daily (working days) ZTP month-ahead “mid” prices (i.e. average of bid and ask prices) for the month of supply, as published by ICIS-Heren Energy Ltd during the month preceding the month of supply.
ZTP ADA
An index corresponding to the arithmetic average of all daily ZTP day-ahead “mid” prices (i.e. the average of the “bid” and “ask” prices) for the month of supply, as published by ICIS-Heren Energy Ltd during the month of supply.
More info available on your Customer Area
Consult more parameters and analyze the evolution of the prices.